Climate Zones

Below is a list of some of the major cities in the desert states with their hardiness zones. The USDA and Sunset Magazine have a different numbering system so when you are looking at a plant in a catalog that you would like to put in your garden, make sure you know the numbering system the catalog is using.

USDA Sunset
Bisbee 8b 10
Douglas 8b 10
Casa Grande 9b 12
Flagstaff 5a 2B
Globe 9a 10
Kingman 8b 10
Nogales 8b 10
Page 8a 10
Phoenix 10a 13
Prescott 7a 3A
Scottsdale 10a 13
Sedona 8b 10
8b 10
Tucson 9b 12
Winslow 7a 3A
Willcox 8a 10
Yuma 10a 13